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Fun with Magnets CBSE Class 6

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Fun with Magnets Topics

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Video Based Test funda (Please watch the above videos before attempting this assessment)
Question 1/11

Q 1. The magnetic force of a magnet at the middle is __________ the magnetic force at the poles of it. 

Solution

The magnetic force of a magnet at the middle is less than the magnetic force at the poles of it.

Q 2. A magnet suspended from a rigid support always rest in the North-South direction because the __________. 

Solution

The magnet suspended from a rigid support always rest in the North-South direction because the North Pole of the gigantic Earth’s magnet attracts the South Pole of the suspended magnet.

Q 3. Magnetic materials gain magnetic properties when they are placed in contact with a magnet. This process of inducing magnetic properties is called 

Solution

Inducing magnetic properties in magnetic materials by keeping them in contact with a magnet is called magnetic induction.

Q 4. Which of the following activities will destroy the magnetic properties of a magnet? 

Solution

Heating a magnet to a high temperature causes the magnet to lose its magnetic properties. Other activities do not destroy the magnetic properties of a magnet.

Q 5. Like poles ________ each other. 

Solution

Like poles repel each other.

Q 6. The property of a magnet to rest in the N-S direction is used in _________. 

Solution

The property of a magnet to rest in the N-S direction is used in the magnetic compass to find the directions.

Q 7. ______ is a magnetic material. 

Solution

Alnico is a magnetic material. Others are non-magnetic materials.

Q 8. ____________ poles of two magnets repel each other, while _______ poles attract each other. 

Solution

South-South poles of two magnets repel each other, while North-South poles attract each other.

Q 9. ________ is a term not related to electromagnetism. 

Solution

Single touch method is not related to electromagnets.

Q 10. ________ is a sure test of magnetism. 

Solution

Repulsion is a sure test for magnetism.

To identify whether the given object is a magnet or magnetic material, repulsion is the correct method.

Magnetic materials get attracted to magnets, while magnets repel or are attracted to a magnet. So, repulsion is a sure test for magnetism.

Q 11. _______ is a non-magnetic material. 

Solution

Aluminium is a non-magnetic material. Others are magnetic materials.

Stainless steel which is of the ferritic type is magnetic, while that which is of the austenitic type is non-magnetic.

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